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Searching: audio signal





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Patent # Description
US-1,009,6327 Long-term prediction and frequency domain pitch period based encoding and decoding
A frequency-domain sample interval corresponding to a time-domain pitch period L corresponding to a time-domain pitch period code of an audio signal in a given...
US-1,009,6326 System and method for increasing transmission bandwidth efficiency ("EBT2")
Systems and methods for increasing transmission bandwidth efficiency by the analysis and synthesis of the ultimate components of transmitted content are...
US-1,009,6325 Decoder and method for a generalized spatial-audio-object-coding parametric concept for multichannel...
A decoder for generating an audio output signal having one or more audio output channels from a downmix signal having one or more downmix channels is provided....
US-1,009,6324 Method and apparatus for concealing frame error and method and apparatus for audio decoding
A frame error concealment (FEC) method is provided. The method includes: selecting an FEC mode based on states of a current frame and a previous frame of the...
US-1,009,6322 Audio decoder having a bandwidth extension module with an energy adjusting module
An audio decoder configured to produce an audio signal from a bitstream containing audio frames includes: a core band decoding module configured to derive a...
US-1,009,6321 Reverberation compensation for far-field speaker recognition
Techniques are provided for reverberation compensation for far-field speaker recognition. A methodology implementing the techniques according to an embodiment...
US-1,009,6312 Noise cancellation system
An adaptive noise canceling system can include a noise cancellation processor having an audio input for receiving an input audio signal, a microphone input...
US-1,009,5843 Systems and methods for payload encoding and decoding
Systems and methods for payload encoding and decoding are disclosed. An example method to decode audio data includes receiving audio data having protected...
US-1,009,5468 Dynamic range control for a wide variety of playback environments
In an audio encoder, for audio content received in a source audio format, default gains are generated based on a default dynamic range compression (DRC) curve,...
US-1,009,2696 Acoustic line tracing system and method for fluid transfer system
An acoustic line tracing system for tracing a fluid transfer system tubing line includes an acoustic receiver operably connectable to the tubing line and...
US-1,009,1632 Bedside speaker using personal area networking
A tabletop Bluetooth.RTM. receiving device including a speaker and Bluetooth.RTM. interface circuitry, which reproduces audio signals from selectable sources...
US-1,009,1604 Generation and presentation of multimedia signals having improved audio
In one embodiment, a multimedia audio inserter removes the left and right audio channel data from a multimedia signal, for example an HDMI.RTM. signal and...
US-1,009,1601 Method for rendering multi-channel audio signals for L1 channels to a different number L2 of loudspeaker...
Multi-channel audio content is mixed for a particular loudspeaker setup. However, a consumer's audio setup is very likely to use a different placement of...
US-1,009,1600 Stereophonic sound reproduction method and apparatus
A three-dimensional sound reproducing method includes: acquiring a multichannel audio signal; rendering signals to a channel to be reproduced according to...
US-1,009,1598 Off-head detection of in-ear headset
An off-head detection system for an in-ear headset comprises an input device that receives an audio signal, a feed-forward microphone signal, and a driver...
US-1,009,1597 Off-head detection of in-ear headset
An off-head detection system for an in-ear headset comprises an input device that receives an audio signal, a feed-forward microphone signal, and a driver...
US-1,009,1592 Binaural hearing systems and methods for preserving an interaural level difference to a distinct degree for...
A binaural hearing system ("system") preserves and/or enhances interaural level differences ("ILDs") between first and second signals. The system includes audio...
US-1,009,1584 Audio architecture for a portable speaker system
In some embodiments, portable speakers can be small and lightweight and can communicate with one or more audio device over wired or wireless connections. In...
US-1,009,1582 Signal enhancement
A piece of audio equipment is provided that includes a first signal path including a first dynamic range expander and a lowpass filter. The piece of audio...
US-1,009,1581 Audio preferences for media content players
Disclosed herein are system, method, and tangible computer readable medium for creating a desired audio effect for a user. The method includes operations...
US-1,009,1580 Method and apparatus for tracking sound source movement for audio signal processing
Embodiments include a method comprising generating, based on receiving audio signals from a sound source and a noise source, (i) a first input signal and (ii) a...
US-1,009,1577 Audio device
An audio device having an improved bendable structure is disclosed. The audio device includes an amplifier unit configured to amplify an audio signal, at least...
US-1,009,1575 Method and system for obtaining an audio signal
A method and system for obtaining an audio signal. In one embodiment, the method comprises receiving a first sound signal at a first microphone arranged at a...
US-1,009,1574 Method and apparatus for delivering audio signals and providing hearing protection during medical imaging
A pneumatic audio system which is compatible with use within an MRI environment is disclosed. The system has an audio transducer including a housing having a...
US-1,009,1569 Smart microphone devices, systems, apparatuses, and methods
Examples described herein relate to systems, apparatuses, and methods for a microphone device that includes a microphone configured to output sound data...
US-1,009,1568 Portable speaker assembly
A portable speaker assembly includes a first shell that may insertably receive an electronic device. The first shell is comprised of a rigid material to protect...
US-1,009,1347 Relaying device, audio communication system, and relaying method of audio signal
[Problem] To provide an audio communication system in which a relaying device is connected to communication devices via a communication network, the...
US-1,009,1343 Mobile device and method for determining its context
According to a first aspect of the present disclosure, a mobile device is provided, comprising: a motion sensor configured to detect one or more movements of...
US-1,009,0943 System and method for aligning a radio using an automated audio guide
A method and system are provided. The method includes receiving a signal strength corresponding to a long range wireless link established between a first...
US-1,009,0819 Signal processor for loudspeaker systems for enhanced perception of lower frequency output
A signal processing system for controlling a lower frequency acoustic range of an acoustic output of a loudspeaker system. The system includes an input to...
US-1,009,0817 System and method for leveling loudness variation in an audio signal
Systems and methods for leveling loudness variation in an audio signal are described. Embodiments use both a perceptual leveling algorithm and a standards-based...
US-1,009,0005 Analog voice activity detection
According to some embodiments, an analog processing portion may receive an audio signal from a microphone. The analog processing portion may then convert the...
US-1,009,0004 Signal classifying method and device, and audio encoding method and device using same
The present invention relates to an audio encoding and, more particularly, to a signal classifying method and device, and an audio encoding method and device...
US-1,009,0003 Method and apparatus for classifying an audio signal based on frequency spectrum fluctuation
An audio signal classification method and apparatus, where the method includes determining, according to voice activity of a current audio frame, whether to...
US-1,009,0000 Efficient echo cancellation using transfer function estimation
Technical solutions are described for acoustic echo cancellation. An example method includes computing, by a beamformer, a plurality of updated beamformer...
US-1,008,9999 Frequency domain noise detection of audio with tone parameter
A noise detection method and apparatus are disclosed. The noise detection method includes: obtaining a frequency-domain energy distribution parameter of a...
US-1,008,9998 Method and apparatus for processing audio signals in a multi-microphone system
An electronic device includes a plurality of microphones, each pair of microphones in the plurality of microphones being a respective distance from one another....
US-1,008,9997 Method for predicting high frequency band signal, encoding device, and decoding device
An audio signal decoding method includes: obtaining mode information of a high frequency band signal of an audio signal and indices of a low frequency band...
US-1,008,9996 Signal processing apparatus, signal processing method, and program
The present technology relates to a signal processing apparatus, a signal processing method, and a program by which, in reproducing transmitted encoded data in...
US-1,008,9993 Apparatus and method for comfort noise generation mode selection
An apparatus for encoding audio information is provided. The apparatus for encoding audio information includes a selector for selecting a comfort noise...
US-1,008,9990 Audio object separation from mixture signal using object-specific time/frequency resolutions
An audio decoder is proposed for decoding a multi-object audio signal including a downmix signal X and side information PSI. The side information includes...
US-1,008,9987 Music detection and identification
A sensor processing unit comprises a microphone and a sensor processor. The sensor processor is coupled with the microphone. The sensor processor is configured...
US-1,008,9974 Speech recognition and text-to-speech learning system
An example text-to-speech learning system performs a method for generating a pronunciation sequence conversion model. The method includes generating a first...
US-1,008,9972 Noise reduction method and apparatus, and mobile terminal
Embodiments of the present disclosure provide a noise reduction method, the method includes: obtaining an acceleration signal of a mobile terminal when an audio...
US-1,008,9845 System and method of detecting and analyzing a threat in a confined environment
A system and method of detecting and analyzing a threat in a confined environment is disclosed. An audio board detects and analyzes audio signals. A RF board...
US-1,008,9578 Automatic prediction of acoustic attributes from an audio signal
A system, method and computer product for predicting a content attribute are provided by collecting labeled media objects labeled with one or more attributes,...
US-1,008,9067 Context based identification of non-relevant verbal communications
A computer-implemented method includes identifying a first set of utterances from a plurality of utterances. The plurality of utterances is associated with a...
US-1,008,9066 Electronic apparatus and audio output apparatus composing audio output system, and control method thereof
An electronic apparatus of an audio output system is provided. The electronic apparatus includes: a first communicator configured to transmit a first radio...
US-1,008,9064 Audio systems and related devices and methods
An audio playback device includes a housing, an electroacoustic driver, and a wireless receiver capable of receiving first and second signals from respective...
US-1,008,9063 Multimedia device for processing spatialized audio based on movement
In a particular aspect, a multimedia device includes one or more sensors configured to generate first sensor data and second sensor data. The first sensor data...
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